public class Text {
	public static String myToString(int[] array) {
		String ret = "[";
		for (int i = 0;i < array.length;i++) {
			ret += array[i];
			if (i<array.length-1) {
				ret+=',';
			}
		}
	ret+=']';
	return ret;
	}
	public static void main(String[] args) {
		int[] array = {1,2,3,4,5,6,7};
		String ret = myToString(array);
		System.out.println(ret);
	}
}